@param BufferSize number of bytes to read\r
@param Buffer pointer where to read into\r
\r
+ @retval EFI_SUCCESS The NVRAM access was performed.\r
+ @retval EFI_INVALID_PARAMETER Invalid UNDI command.\r
+ @retval EFI_UNSUPPORTED Command is not supported by UNDI.\r
+ @retval EFI_DEVICE_ERROR Fail to execute UNDI command.\r
\r
**/\r
EFI_STATUS\r